People on Twitter thought there was something familiar about the hat that Sarah Ferguson wore to the royal wedding of her daughter, Princess Eugenie of York, to Jack Brooksbank on Friday.

Namely, that it *may* have taken inspiration from J. K. Rowling’s Harry Potter fantasy novel series.

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Sarah 'Fergie' Ferguson' at Princess Eugenie's wedding

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Sarah 'Fergie' Ferguson' at Princess Eugenie's wedding

WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York arrives for the wedding of Princess Eugenie to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Jeremy Selwyn - WPA Pool/Getty Images)

Sarah, Duchess of York (L) and Britain's Princess Beatrice of York (R) arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by TOBY MELVILLE / POOL / AFP) (Photo credit should read TOBY MELVILLE/AFP/Getty Images)

Sarah, Duchess of York arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by TOBY MELVILLE / POOL / AFP) (Photo credit should read TOBY MELVILLE/AFP/Getty Images)

Sarah, Duchess of York (L) and Britain's Princess Beatrice of York (R) arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by TOBY MELVILLE / POOL / AFP) (Photo credit should read TOBY MELVILLE/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Princess Beatrice and her mother Sarah, Duchess of York arrives for the wedding of Princess Eugenie to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Princess Beatrice and her mother Sarah, Duchess of York arrive for the wedding of Princess Eugenie to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Yui Mok - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah Ferguson greets member of the public as she arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George's Chapel, Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Andrew Matthews - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah Ferguson, Princess Beatrice of York and Peter Phillips take their seats ahead of the wedding of York down the aisle at the wedding of Princess Eugenie of York to Jack Brooksbank at Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Danny Lawson - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York (L) and Princess Beatrice arrive ahead of the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Toby Melville - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah Ferguson arrives for the wedding of Princess Eugenie of York and Jack Brooksbank at St George's Chapel, Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Andrew Matthews - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah Ferguson arrives ahead of the wedding of Princess Eugenie of York to Jack Brooksbank at Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Steve Parsons - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Princess Beatrice of York and her mother Sarah Ferguson (R) arrive in their car to the Royal wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

Sarah, Duchess of York, mother of Britain's Princess Eugenie of York, arrives to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Adrian DENNIS / various sources / AFP) (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York, mother of Princess Eugenie of York, arrives ahead of the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Adrian Dennis - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York, mother of Princess Eugenie of York, arrives ahead of the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Adrian Dennis - WPA Pool/Getty Images)

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Soon after the Duchess of York arrived for the ceremony at St George’s Chapel in Windsor Castle, folks online were quick to note her headwear’s similarity to a winged golden snitch, which is chased in Rowling’s fictional sport of Quidditch.

WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank ride in the carriage procession after their Royal wedding ceremony at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

Britain's Princess Eugenie of York and her husband Jack Brooksbank travel in the Scottish State Coach at the start of their carriage procession following their wedding at St George's Chapel, Windsor Castle in Windsor, on October 12, 2018. (Photo by Daniel LEAL-OLIVAS / AFP) (Photo credit should read DANIEL LEAL-OLIVAS/AFP/Getty Images)

Britain's Princess Eugenie of York (R) and her husband Jack Brooksbank (L) emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018 after their wedding ceremony. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)

Britain's Princess Eugenie of York (R) and her husband Jack Brooksbank (L) kiss as they emerge from the West Door of St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018 after their wedding ceremony. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank wave to the crowds from their carriage after their Royal wedding at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

Bridesmaid, Princess Charlotte of Cambridge arrives to take part as a bridesmaid in the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank ride in the carriage procession after their Royal wedding ceremony at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Newlyweds Princess Eugenie of York and Mr. Jack Brooksbank wave to the crowds from their carriage after their Royal wedding at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

Sarah, Duchess of York arrive to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Newlywed Princess Eugenie of York waves to the crowds from her carriage after her Royal wedding to Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Chris Jackson/Getty Images)

Britain's Princess Eugenie of York waves as she arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Andrew Matthews / POOL / AFP) (Photo credit should read ANDREW MATTHEWS/AFP/Getty Images)

Sarah, Duchess of York , Princess Beatrice of York (C) and Peter Phillips (3R) take their seats for the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Danny Lawson / POOL / AFP) (Photo credit should read DANNY LAWSON/AFP/Getty Images)

Britain's Princess Eugenie of York (C) has her train fixed as she arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Meghan, Duchess of Sussex and Princess Anne, Princess Royal attend the wedding of Princess Eugenie of York and Mr. Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Owen Humphreys - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie arrives with her father, Prince Andrew, the Duke of York, for her wedding to Jack Brooksbank at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Victoria Jones - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Prince Andrew, The Duke of York (right) stands next to his daughter Princess Eugenie and her groom Jack Brooksbank during their wedding ceremony at St George's Chapel in Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Danny Lawson - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Jack Brooksbank and Princess Eugenie of York kneel during their wedding ceremony at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Jonathan Brady - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Queen Elizabeth II attends the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Sarah, Duchess of York and Princess Beatrice of York attend the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)

Britain's Princess Eugenie of York (L) acompanied by her father Britain's Prince Andrew, Duke of York, (R) arrives for her wedding to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Adrian DENNIS / various sources / AFP) (Photo credit should read ADRIAN DENNIS/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Princess Eugenie of York passes her bouquet to bridesmaid Savannah Phillips during her wedding to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by - WPA Pool/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: (L-R) James Middleton, Pippa Middleton and James Matthews arrive for the wedding of Princess Eugenie of York and Jack Brooksbank at St George's Chapel, Windsor Castle on October 12, 2018 in Windsor, England. (Photo by Alastair Grant - WPA Pool/Getty Images)

Britain's Princess Eugenie of York (CR) accompanied by her father Britain's Prince Andrew, Duke of York, (CL) walk up the aisle during her wedding ceremony to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Jonathan Brady / POOL / AFP) (Photo credit should read JONATHAN BRADY/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Queen Elizabeth II attends the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by (Photo by Mark Large - WPA Pool/Getty Images)

Bridesmaid Princess Charlotte of Cambridge falls on the steps as she arrives to take part in the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)

Louis de Givenchy falls on the West Steps, as the bridesmaids and page boys arrive with Lady Louise Windsor (C) to attend the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Victoria Jones / POOL / AFP) (Photo credit should read VICTORIA JONES/AFP/Getty Images)

The bridesmaids and page boys, including Princess Charlotte of Cambridge (L), Savannah Phillips (2L) and Prince George of Cambridge (3L) wait to take part in the wedding of Britain's Princess Eugenie of York to Jack Brooksbank at St George's Chapel, Windsor Castle, in Windsor, on October 12, 2018. (Photo by Yui Mok / POOL / AFP) (Photo credit should read YUI MOK/AFP/Getty Images)

WINDSOR, ENGLAND - OCTOBER 12: Jack Brooksbank and Princess Eugenie of York leave the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Toby Melville - WPA Pool/Getty Images)